#99B9E2
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.7% 0.069 254.8), rgb(153, 185, 226).
Aa
Black text reads best on this color (10.39:1).
About this color
#99B9E2 is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.069 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.025 away. Black text reads best on it, at 10.39:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.39:1 |
| White text | 2.02:1 |
Values
| HEX | #99B9E2 |
| RGB | rgb(153, 185, 226) |
| HSL | hsl(214, 56%, 74%) |
| OKLCH | oklch(77.7% 0.069 254.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #99B9E2 | 2.02:1 | Fails | Lc -43.7 | Non-text elements, placeholder text |
| Black text on #99B9E2 | 10.39:1 | AAA | Lc 64.7 | Content text, not long reading |
| #99B9E2 text on white | 2.02:1 | Fails | Lc 39.2 | Non-text elements, placeholder text |
| #99B9E2 text on black | 10.39:1 | AAA | Lc -63.1 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF3
oklch(88.5% 0.038 255.6)
-
Step 300
300 (this color)
#99B9E2
oklch(77.7% 0.069 254.8)
-
Step 400
400
#70A3E4
oklch(70.6% 0.11 255)
-
Step 500
500
#498BDC
oklch(63.1% 0.14 254.8)
-
Step 600
600
#2973CA
oklch(55.6% 0.153 255)
-
Step 700
700
#1B60AE
oklch(49.1% 0.141 254.8)
-
Step 800
800
#194F8D
oklch(42.7% 0.117 254.6)
-
Step 900
900
#1B4271
oklch(37.7% 0.092 254.8)
-
Step 950
950
#112742
oklch(27% 0.058 254.7)
#99B9E2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #AABAE4 | 0.022 |
| Deuteranopia (no green cones) | #A2B3E1 | 0.018 |
| Tritanopia (no blue cones) | #83C2C7 | 0.059 |
| Achromatopsia (no color) | #B6B6B6 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B9E2
#99B9E2
oklch(77.7% 0.069 254.8)
- #D1B185
#D1B185
oklch(77.8% 0.069 75.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99B9E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.025
- Light Cornflower Blue #98C1D9 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.040
- Pastel Blue #A2BFFE ΔE 0.043
- Carolina Blue #8AB8FE ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.045
- Lightblue #7BC8F6 ΔE 0.048
- Sky #82CAFC ΔE 0.052
Use #99B9E2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.